Some characters have a special meaning in
HTML, like the angle bracket (<) that defines the
start of an HTML tag. If we want the browser to
actually display these characters we must insert
character entities in the HTML source, instead of
the character itself.
A character entity has three parts:
• an ampersand (&)
• an entity name or a # and an entity number
• and finally a semicolon (;).
To display a less than sign in an HTML document
we must write: < or <
The advantage of using a name instead of a
number is that a name is easier to remember. The
disadvantage is that not all browsers support the
newest entity names, while the support for entity
numbers is very good in almost all browsers.
Note that the entities are case sensitive.
For a comprehensive list of character
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